Axial Forced Magnetic Suspension Bearing

A technology of magnetic suspension bearings and axial force, applied in the direction of shafts and bearings, bearings, mechanical equipment, etc., can solve the problems of reduced sensitivity of rotating mechanisms, reduced detection accuracy of flow rate meters, high manufacturing costs and maintenance costs, and achieve significant technological progress , Improved rotation sensitivity and reduced maintenance costs
CN105090244BActive Publication Date: 2018-01-16CHONGQING CITY BEIBEI DISTRICT DEYU INSTR ELEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING CITY BEIBEI DISTRICT DEYU INSTR ELEMENT CO LTD
Publication Date
2018-01-16

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Abstract

The invention relates to an axial force magnetic suspension bearing, which comprises a shaft core, on which a first inner magnetic ring and a second inner magnetic ring are arranged side by side on the same centerline as the shaft core, and the outer side of the shaft core is sleeved at intervals There is a shaft sleeve, the shaft sleeve includes a base, one end of the shaft core is provided with a top on the center line of the shaft core, the top is pressed against the center of the base, and the shaft sleeve is arranged side by side with the first inner magnetic ring and the second inner magnetic ring. The magnetic rings correspond to the first outer magnetic ring and the second outer magnetic ring respectively. The invention has the advantages of simple structure, ingenious design, extremely small internal friction force and low maintenance cost, and is widely used in fluid flow velocity measuring instruments, with high sensitivity and strong practicability.
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Description

technical field

[0001] The invention relates to a magnetic suspension bearing, in particular to an axial force magnetic suspension bearing. Background technique

[0002] The accuracy of the bearing is positively correlated with the friction force it receives when it rotates. Most of the existing bearings are ball bearings, and the friction force on the bearing is relatively large when rotating. Bearing requirements. The smaller the friction force of the bearing in the device used to detect the flow rate of liquid and gas, the smaller the deviation when the fluid speed is converted into the rotational speed of the bearing, and the higher the accuracy of the detection device. The higher the accuracy of the ball bearing, the smaller the internal clearance, the greater the possibility of the bearing being stuck by fine impurities, and the easier it is to affect the rotation of the bearing. Another obvious defect of the ball bearing is that a set of lubricating mechanism is req...

Claims

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